A sample of helium gas has a volume of 1.25 L and a pressure of 245 mm Hg and a temperature of 300. K. What is the final pressure of the gas when the volume of the gas sample is compressed to 1.00 L and the temperature is decreased to 100. K

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients